<template>
  <div class="app-container">
    <!-- 搜索表单 -->
    <el-form ref="queryForm" size="mini" :model="queryParams" :inline="true">
      <el-form-item>
        <el-button
          v-has-permission="['sys:dict:add']"
          type="success"
          icon="el-icon-plus"
          @click="handleAdd"
        >新增</el-button>
        <el-button
          v-has-permission="['sys:dict:delete']"
          type="danger"
          icon="el-icon-delete"
          :disabled="single"
          @click="handleDelete"
        >删除
        </el-button>
      </el-form-item>

      <el-form-item prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="字典名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          @click="handleQuery"
        >搜索</el-button>
        <el-button icon="el-icon-refresh" @click="handleReset">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 数据表格 -->
    <el-table
      ref="table"
      v-loading="loading"
      :data="pageList"
      border
      size="mini"
      @row-click="handleRowClick"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="字典名称" prop="name" width="120" />
      <el-table-column label="字典编码" prop="code" />
      <el-table-column label="状态" align="center" width="80">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status"
            size="mini"
            @change="handleStatusChange(scope.row)"
          />
        </template>
      </el-table-column>

      <el-table-column label="操作" align="center" width="150">
        <template slot-scope="scope">
          <el-button
            v-has-permission="['sys:dict:edit']"
            type="primary"
            icon="el-icon-edit"
            size="mini"
            circle
            plain
            @click.stop="handleUpdate(scope.row)"
          />
          <el-button
            v-has-permission="['sys:dict:delete']"
            type="danger"
            icon="el-icon-delete"
            size="mini"
            circle
            plain
            @click.stop="handleDelete(scope.row)"
          />
        </template>
      </el-table-column>
    </el-table>
    <pagination
      v-show="pagination.total > 0"
      :total="pagination.total"
      :page.sync="pagination.page"
      :limit.sync="pagination.limit"
      @pagination="handleQuery"
    />

    <!-- 弹窗表单 -->
    <el-dialog
      :title="dialog.title"
      :visible.sync="dialog.visible"
      width="500px"
      @close="closeDialog"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="字典名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入字典名称" />
        </el-form-item>
        <el-form-item label="字典编码" prop="code">
          <el-input v-model="form.code" placeholder="请输入字典编码" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio :label="true">正常</el-radio>
            <el-radio :label="false">停用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input
            v-model="form.remark"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="handleSubmit">确 定</el-button>
        <el-button @click="closeDialog">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { add, del, detail, list, update, updateStatus } from '@/api/admin/dict'

export default {
  name: 'Dict',
  data() {
    return {
      loading: true,
      ids: [],
      single: true,
      multiple: true,
      queryParams: {
        name: undefined,
        queryMode: 'page'
      },
      pagination: {
        page: 1,
        limit: 10,
        total: 0
      },
      pageList: [],
      dialog: {
        title: undefined,
        visible: false
      },
      form: {
        status: true
      },
      rules: {
        name: [{ required: true, message: '请输入字典名称', trigger: 'blur' }],
        code: [{ required: true, message: '请输入字典编码', trigger: 'blur' }]
      }
    }
  },

  created() {
    this.handleQuery()
  },
  methods: {
    handleQuery() {
      this.queryParams.pageNum = this.pagination.page
      this.queryParams.pageSize = this.pagination.limit
      list(this.queryParams).then(response => {
        const { data } = response
        this.pageList = data.list
        this.pagination.total = data.totalCount
        this.loading = false
      })
    },
    handleReset() {
      this.pagination = {
        page: 1,
        limit: 10,
        total: 0
      }
      this.queryParams = {
        name: undefined,
        queryMode: 'page'
      }
      this.handleQuery()
    },
    handleRowClick(row) {
      this.$emit('dictClick', row)
    },
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length != 1
      this.multiple = !selection.length
    },
    handleStatusChange(row) {
      const text = row.status === true ? '启用' : '停用'
      this.$confirm('确认要"' + text + row.name + '"数据项吗?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(function() {
          return updateStatus(row.id, { status: row.status })
        })
        .then(() => {
          this.$message.success(text + '成功')
        }).finally(() => {
          this.handleQuery()
        })
    },

    handleAdd() {
      this.resetForm()
      this.dialog = {
        title: '新增字典',
        visible: true
      }
    },

    handleUpdate(row) {
      this.resetForm()
      this.dialog = {
        title: '修改字典',
        visible: true
      }
      const id = row.id || this.ids
      detail(id).then(response => {
        this.form = response.data
      })
    },

    handleSubmit: function() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          const id = this.form.id
          if (id != undefined) {
            update(this.form).then(() => {
              this.$message.success('修改成功')
              this.closeDialog()
              this.handleQuery()
            })
          } else {
            add(this.form).then(() => {
              this.$message.success('新增成功')
              this.closeDialog()
              this.handleQuery()
            })
          }
        }
      })
    },

    handleDelete(row) {
      const ids = row.id ? [row.id] : this.ids
      this.$confirm('确认删除已选中的数据项？', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          del(ids).then(() => {
            this.$message.success('删除成功')
            this.handleQuery()
          })
        })
        .catch(() => this.$message.info('已取消删除'))
    },
    closeDialog() {
      this.resetForm()
      this.dialog = {
        title: undefined,
        visible: false
      }
    },
    resetForm() {
      this.form = {
        status: true
      }
      if (this.$refs['form']) {
        this.$refs['form'].resetFields()
      }
    }
  }
}
</script>

<style scoped></style>
